# CVE-2018-12406: firefox: Mozilla developers and community members reported memory safety bugs present in Firefox 63

CVE-2018-12406 is fixed in 4 products on 1 platform, first by firefox 64.0+build3-0ubuntu0.18.04.1, released December 10, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-12406
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0113
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 10, 2018

## Description

Mozilla developers and community members reported memory safety bugs present in Firefox 63. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 64.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 64.0+build3-0ubuntu0.18.04.1 | [firefox 64.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-64.0-build3-0ubuntu0.18.04.1.md) | Dec 10, 2018 |
| Linux | firefox-globalmenu Ubuntu 18.04.6 LTS (bionic) | 64.0+build3-0ubuntu0.18.04.1 | [firefox-globalmenu 64.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-globalmenu-64.0-build3-0ubuntu0.18.04.1.md) | Dec 10, 2018 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 64.0+build3-0ubuntu0.18.04.1 | [firefox-mozsymbols 64.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-64.0-build3-0ubuntu0.18.04.1.md) | Dec 10, 2018 |
| Linux | firefox-testsuite Ubuntu 18.04.6 LTS (bionic) | 64.0+build3-0ubuntu0.18.04.1 | [firefox-testsuite 64.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-testsuite-64.0-build3-0ubuntu0.18.04.1.md) | Dec 10, 2018 |

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